On Mon, Jan 20, 2014 at 3:35 PM, Brian Paul <bri...@vmware.com> wrote:
> I'm not sure about this.  The concept of MAX_COMBINED_TEXTURE_IMAGE_UNITS
> goes back to the first shader hardware where texture image units might be
> shared between the VS and FS.
>
> The question is whether any of the hardware we care about has that
> restriction.

I'm not aware of any hardware which has the restriction. I think
the reason MAX_COMBINED_TEXTURE_IMAGE_UNITS exists is that the OpenGL
texture units are shared by all shader stages.

Marek
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